Can You Pass This C++ Programming Test? Quiz

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| By Rmyers

Rmyers

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Quizzes Created: 2 | Total Attempts: 1,450

Questions: 10 | Attempts: 1,211 | Updated: Mar 21, 2023

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Can You Pass This C++ Programming Test? Quiz - Quiz

C++ is a high-level language that programmers need to have some necessary information on. We got to discuss how to use it to achieve the right functions of the central processing unit. This quiz contains 10 questions that pertain to the material you learned in Chapter 1. Give it a try and get to see how much you recall. All the best!

Questions and Answers

1.

Given the enumeration defined by the following line, what is the value of UNBEATABLE ? enum difficulty {NOVICE=1, EASY, NORMAL, HARD, UNBEATABLE};
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
- E.
  
  5
Correct Answer
E. 5

Explanation
The value of UNBEATABLE is 5 because in the enumeration, the values are assigned starting from 1, and each subsequent value is incremented by 1. Therefore, UNBEATABLE is assigned the value of 5.

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2.

What is the value of lives and bonus after the following code is run... int lives = 3; int bonus = 0; bonus = lives++ * 10;
- A.
  
  Lives = 4 and bonus = 30
- B.
  
  Lives = 3 and bonus = 30
- C.
  
  Lives = 3 and bonus = 40
- D.
  
  Lives = 4 and bonus = 40
Correct Answer
A. Lives = 4 and bonus = 30

Explanation
The code first assigns the value of lives (which is 3) to bonus. Then, the value of lives is incremented by 1 using the postfix increment operator. Therefore, lives becomes 4. However, the value of bonus remains 30 because it was assigned the original value of lives before the increment.

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1
0
3.

Name one reason that game programmers choose C++. Use a one word answer.

Correct Answer
flexible
fast
well-supported

Explanation
C++ is a popular choice for game programmers because it offers flexibility, allowing them to write code that can be easily adapted and modified. Additionally, C++ is known for its speed and efficiency, making it ideal for creating high-performance games. Lastly, C++ has a strong and extensive support system, with a large community of developers and resources available, making it easier for programmers to find help and solutions to any issues they may encounter.

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4
4.

What must statements in C++ end with?

Correct Answer
semicolon
;
semi-colon
semi colon

Explanation
In C++, statements must end with a semicolon (;). This is a fundamental rule in the syntax of the language. The semicolon acts as a delimiter, indicating the end of a statement and allowing the compiler to properly interpret the code. Forgetting to include a semicolon at the end of a statement can result in a compilation error. Therefore, it is important to remember to always end statements in C++ with a semicolon.

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2
4 0
5.

All C++ programs must have at least one function called main()?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
All C++ programs must have at least one function called main(). This is because the main() function is the entry point of the program, where the execution starts. Without a main() function, the program would not have any instructions to execute and would not be able to run. Therefore, it is a requirement for all C++ programs to have a main() function.

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1
0
6.

C++ is the most prevalent language in the computer game industry.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
C++ is the most prevalent language in the computer game industry because it offers high performance and low-level control over hardware, making it suitable for developing complex and resource-intensive games. Additionally, C++ has a large number of libraries and frameworks specifically designed for game development, making it easier and more efficient for developers to create games. Its widespread use in the industry also means that there is a wealth of resources and support available for C++ game development.

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7.

Dividing two integers (7/3) can sometimes yield a decimal point number.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
When dividing two integers, the result can either be a whole number or a fraction. In this case, dividing 7 by 3 gives a quotient of 2 with a remainder of 1. Therefore, the result is not a decimal point number, making the statement false.

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1
0
8.

Variable names of constants must be in uppercase letters according to C++ rules?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
In C++, variable names of constants do not necessarily have to be in uppercase letters. While it is a common convention to use uppercase letters for constant names to make them more distinguishable from regular variables, it is not a strict rule enforced by the language. The choice of naming conventions for constants is ultimately up to the programmer's preference and the coding style guidelines followed by the project. Therefore, the statement that variable names of constants must be in uppercase letters is false.

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9.

When you declare a variable, you must give it a type.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
When declaring a variable, it is necessary to specify its type. This is because the type determines the kind of data that can be stored in the variable and the operations that can be performed on it. Without specifying a type, the programming language would not know how to allocate memory for the variable or how to interpret the data stored in it. Therefore, it is essential to provide a type when declaring a variable.

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10.

You must always assign a value to a variable when you first declare it.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
When declaring a variable, it is not always necessary to assign a value to it. Variables can be declared without an initial value, and their value can be assigned later in the program. This allows for flexibility in programming, as variables can be declared first and assigned a value when needed. Therefore, the statement "You must always assign a value to a variable when you first declare it" is false.

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Current Version
Mar 21, 2023

Quiz Edited by
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Jan 24, 2010

Quiz Created by
Rmyers

Can You Pass This C++ Programming Test? Quiz

Given the enumeration defined by the following line, what is the value of UNBEATABLE ? enum difficulty {NOVICE=1, EASY, NORMAL, HARD, UNBEATABLE};

What is the value of lives and bonus after the following code is run... int lives = 3; int bonus = 0; bonus = lives++ * 10;

Name one reason that game programmers choose C++. Use a one word answer.

What must statements in C++ end with?

All C++ programs must have at least one function called main()?

C++ is the most prevalent language in the computer game industry.

Dividing two integers (7/3) can sometimes yield a decimal point number.

Variable names of constants must be in uppercase letters according to C++ rules?

When you declare a variable, you must give it a type.

You must always assign a value to a variable when you first declare it.